EP3564693A4 - Apparatus and method for calculating state of charge of battery by reflecting noise - Google Patents

Apparatus and method for calculating state of charge of battery by reflecting noise Download PDF

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Publication number
EP3564693A4
EP3564693A4 EP18785067.2A EP18785067A EP3564693A4 EP 3564693 A4 EP3564693 A4 EP 3564693A4 EP 18785067 A EP18785067 A EP 18785067A EP 3564693 A4 EP3564693 A4 EP 3564693A4
Authority
EP
European Patent Office
Prior art keywords
charge
battery
calculating state
reflecting noise
reflecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18785067.2A
Other languages
German (de)
French (fr)
Other versions
EP3564693B1 (en
EP3564693A1 (en
Inventor
Bo Mi Lim
Won Tae Joe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
LG Chem Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of EP3564693A1 publication Critical patent/EP3564693A1/en
Publication of EP3564693A4 publication Critical patent/EP3564693A4/en
Application granted granted Critical
Publication of EP3564693B1 publication Critical patent/EP3564693B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389—Measuring internal impedance, internal conductance or related variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392—Determining battery ageing or deterioration, e.g. state of health

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
EP18785067.2A 2017-04-12 2018-02-23 Method and device for calculating a state of charge of a battery in real time Active EP3564693B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170047385A KR102179677B1 (en) 2017-04-12 2017-04-12 Apparatus and method for calculating soc
PCT/KR2018/002267 WO2018190508A1 (en) 2017-04-12 2018-02-23 Apparatus and method for calculating state of charge of battery by reflecting noise

Publications (3)

Publication Number Publication Date
EP3564693A1 EP3564693A1 (en) 2019-11-06
EP3564693A4 true EP3564693A4 (en) 2020-01-22
EP3564693B1 EP3564693B1 (en) 2023-08-02

Family

ID=63793232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18785067.2A Active EP3564693B1 (en) 2017-04-12 2018-02-23 Method and device for calculating a state of charge of a battery in real time

Country Status (6)

Country Link
US (1) US11340298B2 (en)
EP (1) EP3564693B1 (en)
JP (1) JP7047205B2 (en)
KR (1) KR102179677B1 (en)
PL (1) PL3564693T3 (en)
WO (1) WO2018190508A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102101912B1 (en) * 2017-02-17 2020-04-17 주식회사 엘지화학 Method for estimating state of charge(soc)
WO2018225417A1 (en) * 2017-06-08 2018-12-13 パナソニックＩｐマネジメント株式会社 Power storage system and control device
WO2019049571A1 (en) 2017-09-11 2019-03-14 パナソニックＩｐマネジメント株式会社 Electricity storage system and management device
KR102458526B1 (en) * 2018-02-07 2022-10-25 주식회사 엘지에너지솔루션 Apparatus and method for estimating soc base on operating state of battery
CN109061537B (en) * 2018-08-23 2019-07-16 重庆大学 Electric vehicle lithium ion battery sensor fault diagnosis method based on observer
CN109839599B (en) * 2018-11-29 2021-06-25 西安科技大学 Lithium ion battery SOC estimation method based on second-order EKF algorithm
CN109669131B (en) * 2018-12-30 2021-03-26 浙江零跑科技有限公司 SOC estimation method of power battery under working condition environment
KR102465373B1 (en) 2019-01-23 2022-11-08 주식회사 엘지에너지솔루션 Battery management appratus, battery management method and battery pack
KR20200099982A (en) * 2019-02-15 2020-08-25 주식회사 엘지화학 Apparatus and method for estimating state of charge
CN109900937B (en) * 2019-04-10 2020-12-08 河南科技大学 Lithium battery charge state estimation method with temperature compensation function
EP3754352A1 (en) 2019-06-17 2020-12-23 Volvo Car Corporation Method and system for improving battery capacity estimations
CN112034366B (en) * 2020-08-25 2023-07-14 惠州市蓝微电子有限公司 SOC dynamic compensation method and electronic system
KR102572652B1 (en) * 2020-09-11 2023-08-31 삼성에스디아이 주식회사 Method for estimating state of charge of battery
CN112271317B (en) * 2020-09-11 2022-09-06 天津力神电池股份有限公司 Method for regulating and controlling SOC (state of charge) of batch battery cells
CN112269133B (en) * 2020-10-22 2021-09-21 合肥工业大学 SOC estimation method based on pre-charging circuit model parameter identification
EP4016098A1 (en) * 2020-12-18 2022-06-22 INTILION GmbH Method and device for robust online determination of the state of large battery storage systems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104242393A (en) * 2014-09-12 2014-12-24 安徽启光能源科技研究院有限公司 Battery management system based on dynamic SOC estimation system
WO2015056964A1 (en) * 2013-10-14 2015-04-23 주식회사 엘지화학 Apparatus for estimating state of hybrid secondary battery and method therefor
US9153988B2 (en) * 2010-12-20 2015-10-06 Furukawa Electric Co., Ltd. Full charge sensing apparatus and full charge sensing method
CN106291375A (en) * 2016-07-28 2017-01-04 河南许继仪表有限公司 A kind of SOC estimation method based on cell degradation and device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100804698B1 (en) 2006-06-26 2008-02-18 삼성에스디아이 주식회사 The method of assuming the state of charge of the battery, battery management system using the method and the driving method of the battery management system using the method
JP4649682B2 (en) 2008-09-02 2011-03-16 株式会社豊田中央研究所 Secondary battery state estimation device
JP2010135075A (en) 2008-12-02 2010-06-17 Calsonic Kansei Corp Method and device for estimating temperature of battery pack
KR101486470B1 (en) * 2012-03-16 2015-01-26 주식회사 엘지화학 Apparatus and method for estimating battery state
KR101547006B1 (en) * 2012-10-26 2015-08-24 주식회사 엘지화학 Apparatus and method for estimating state of charging of battery
KR101399345B1 (en) 2012-11-27 2014-05-27 에스케이씨앤씨 주식회사 Method for estimating state of charge in battery
KR101632351B1 (en) * 2013-10-14 2016-06-21 주식회사 엘지화학 Apparatus for estimating state of hybrid secondary battery and Method thereof
KR101630411B1 (en) * 2013-10-22 2016-06-14 주식회사 엘지화학 Apparatus for managing battery pack and including the same
JP6507375B2 (en) 2014-03-03 2019-05-08 パナソニックＩｐマネジメント株式会社 Battery state estimation device and battery state estimation method
KR101529515B1 (en) * 2014-06-12 2015-06-17 국방과학연구소 Apparatus and method for estimating battery charge state using mmae-ekf
JPWO2016059869A1 (en) * 2014-10-17 2017-04-27 株式会社東芝 Secondary battery charge state estimation apparatus and charge state estimation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9153988B2 (en) * 2010-12-20 2015-10-06 Furukawa Electric Co., Ltd. Full charge sensing apparatus and full charge sensing method
WO2015056964A1 (en) * 2013-10-14 2015-04-23 주식회사 엘지화학 Apparatus for estimating state of hybrid secondary battery and method therefor
CN104242393A (en) * 2014-09-12 2014-12-24 安徽启光能源科技研究院有限公司 Battery management system based on dynamic SOC estimation system
CN106291375A (en) * 2016-07-28 2017-01-04 河南许继仪表有限公司 A kind of SOC estimation method based on cell degradation and device

Also Published As

Publication number Publication date
JP2020515859A (en) 2020-05-28
US11340298B2 (en) 2022-05-24
WO2018190508A1 (en) 2018-10-18
EP3564693B1 (en) 2023-08-02
PL3564693T3 (en) 2023-10-09
JP7047205B2 (en) 2022-04-05
US20190346511A1 (en) 2019-11-14
KR102179677B1 (en) 2020-11-17
KR20180115124A (en) 2018-10-22
EP3564693A1 (en) 2019-11-06

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